Grinder Operation - Hitachi G 12SE2 Safety Instructions And Instruction Manual

English

GRINDER OPERATION

1. Hold the grinder firmly by its body handle and side handle (Fig. 1)
The grinder produces a counterforce which must be controlled by firmly holding onto
the grinder.
2. Switch operation
[When the switch has locking mechanism]
To switch on, slide the lock lever in the direction of A and press the
Switch On:
paddle lever in the direction of B as shown in Fig. 3-a.
Furthermore, slide the lock lever in the direction of C shown in Fig.3-b
while pressing the paddle lever to lock and enable continuous operation.
Switch OFF: To release the locking mode, press the paddle lever in the direction of B
shown in Fig.3-a, and release the paddle lever to switch off.
[When the switch has no locking mechanism]
To switch on, slide the lock lever in the direction of A and press the paddle lever in the
direction of B as shown in Fig. 3-a. Release the paddle lever to switch off.
NOTE: The paddle lever can not be locked.
3. Use light grinding pressure.
There is no need to press hard when grinding. Usually the grinder's own weight is
sufficient to allow the required light contact with the surface to be ground.
WARNING:
4. Use proper grinding angle.
Grind only with the wheel's edge by lifting the grinder 15° to 30°, as shown in Fig. 4.
CAUTION:
●
Do not use the entire surface of the depressed center wheel. Use only the edge of the
depressed center wheel.
12
(a)
Lock Paddle
lever lever
Do not press the grinder forcibly against the surface to be ground. Heavy
pressure can result in wheel breakage and serious injury. It can also
damage the surface being ground or damage the grinder's motor.
(b) Switch with locking mechanism
Tail cover
Fig. 3